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#pragma once
#include "kms++.h"
namespace kms
{
class MappedBuffer {
public:
MappedBuffer()
{
}
virtual ~MappedBuffer()
{
}
virtual uint32_t width() const = 0;
virtual uint32_t height() const = 0;
virtual PixelFormat format() const = 0;
virtual unsigned num_planes() const = 0;
virtual uint32_t stride(unsigned plane) const = 0;
virtual uint32_t size(unsigned plane) const = 0;
virtual uint32_t offset(unsigned plane) const = 0;
virtual uint8_t* map(unsigned plane) = 0;
};
class MappedDumbBuffer : public MappedBuffer {
public:
MappedDumbBuffer(DumbFramebuffer& dumbfb)
: m_fb(dumbfb)
{
}
virtual ~MappedDumbBuffer()
{
}
uint32_t width() const { return m_fb.width(); }
uint32_t height() const { return m_fb.height(); }
PixelFormat format() const { return m_fb.format(); }
unsigned num_planes() const { return m_fb.num_planes(); }
uint32_t stride(unsigned plane) const { return m_fb.stride(plane); }
uint32_t size(unsigned plane) const { return m_fb.size(plane); }
uint32_t offset(unsigned plane) const { return m_fb.offset(plane); }
uint8_t* map(unsigned plane) { return m_fb.map(plane); }
private:
DumbFramebuffer& m_fb;
};
class MappedCPUBuffer : public MappedBuffer {
public:
MappedCPUBuffer(uint32_t width, uint32_t height, PixelFormat format);
virtual ~MappedCPUBuffer();
MappedCPUBuffer(const MappedCPUBuffer& other) = delete;
MappedCPUBuffer& operator=(const MappedCPUBuffer& other) = delete;
uint32_t width() const { return m_width; }
uint32_t height() const { return m_height; }
PixelFormat format() const { return m_format; }
unsigned num_planes() const { return m_num_planes; }
uint32_t stride(unsigned plane) const { return m_planes[plane].stride; }
uint32_t size(unsigned plane) const { return m_planes[plane].size; }
uint32_t offset(unsigned plane) const { return m_planes[plane].offset; }
uint8_t* map(unsigned plane) { return m_planes[plane].map; }
private:
struct FramebufferPlane {
uint32_t size;
uint32_t stride;
uint32_t offset;
uint8_t *map;
};
uint32_t m_width;
uint32_t m_height;
PixelFormat m_format;
unsigned m_num_planes;
struct FramebufferPlane m_planes[4];
};
}
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